Explore the Brain's Anatomy
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Questions and Answers

What is the function of white matter in the brain?

  • Composed of cell bodies, dendrites, and axon terminals.
  • Forms the cortex of the brain and deeper parts of the spinal cord.
  • Responsible for higher processing in the brain.
  • Transmits information between gray matter areas. (correct)

What is the primary component of gray matter?

  • Superficial parts of the spinal cord.
  • Axons
  • Cell bodies, dendrites, and axon terminals. (correct)
  • Thalamus and hypothalamus.

Why does gray matter consume more than 90% of the oxygen in the brain?

  • Due to its high metabolic activity and involvement in complex cognitive functions. (correct)
  • Due to its formation of superficial parts of the spinal cord.
  • Due to its role in transmitting information between gray matter areas.
  • Due to its formation of deeper structures of the brain.

Which part of the brain is responsible for transmitting information between gray matter areas?

<p>White matter (B)</p> Signup and view all the answers

What is the primary function of gray matter in the brain?

<p>Center for higher processing (D)</p> Signup and view all the answers

What forms the cortex of the brain and deeper parts of the spinal cord?

<p>Gray matter (B)</p> Signup and view all the answers

Which lobe of the cerebral cortex is responsible for visual processing?

<p>Occipital lobe (A)</p> Signup and view all the answers

Which area of the cerebral cortex is responsible for motor speech production?

<p>Broca area (D)</p> Signup and view all the answers

In what percentage of left-handed individuals can language and speech functions be found in the right hemisphere of the cerebral cortex?

<p>40% (A)</p> Signup and view all the answers

Which lobe of the cerebral cortex is responsible for movement, orientation, and perception?

<p>Parietal lobe (C)</p> Signup and view all the answers

What is the function of the corpus callosum in the cerebral cortex?

<p>It connects the two hemispheres of the cerebral cortex. (B)</p> Signup and view all the answers

Which hemisphere of the cerebral cortex is predominantly responsible for language and speech functions in most individuals?

<p>Left hemisphere (C)</p> Signup and view all the answers

Which of the following is true about cerebral autoregulation?

<p>Loss of autoregulation can occur in conditions such as hypoxemia and hypercarbia (D)</p> Signup and view all the answers

What is the normal CBF in the brain?

<p>50 cc/100 g/min (B)</p> Signup and view all the answers

Which of the following is true about the relationship between cerebral metabolism and CBF?

<p>Increased cerebral activity leads to increased cerebral metabolism and CBF (A)</p> Signup and view all the answers

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